Inner and Outer Planets

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Transcript of Inner and Outer Planets

Inner and Outer PlanetsInner PlanetsOuter PlanetsThe Outer planets are gaseous planets, which means they are made of gas. They have many moons. For example, Saturn has 60 moons, and Jupiter has 63! The Outer planets are very large compared to the Inner planets and they spin quickly. They have similar atmospheres to each other, too. All the Outer planets have rings, though Saturn's are the biggest and most visible. They are not as dense as the Inner planets because they are gaseous. SimilaritiesThe Inner and Outer planets have many things in common. They both orbit around a star. In this case the star they orbit is the Sun. All eight planets are round which make them similar. The planets each have a core, even though they consist of different things. Gravity is on every planet, though each planets gravity is very different. For example, your weight on Earth can increase by 250 plus pounds on an Outer planet. DifferencesThe planets in our Solar System are also very different. For one thing, the sizes differ very much. The Inner are very small compared to the Outer. The amount of moons is also different. The Inner have small amounts of moons, while the Outer have many moons. Another difference is that Outer planets have rings, and Inner planets do not. The Inner planets orbit the Sun quickly, while the Outer orbit slowly. This is why years are different for the Inner and Outer planets. The Inner planets are terrestrial planets, which means the terrain is solid land. They have few or no moons. For example Earth has only one moon and Mars has two. Inner planets also spin slowly which is why our days are the length that they are. They have a greater density than Outer planets because they are terrestrial. Inner planets have no rings and their atmospheres vary from planet to planet. In our Solar System there are amazing objects called planets. All eight of them are different, but some share similar qualities. The planets are separated into two groups- the Inner and Outer planets. The Inner planets are smaller and are closer to the Sun. The Outer planets are larger and farther away from the Sun. How are they similar? How are they different?The solar system consists of eight planets. Each one is different, yet they are all very similar. The different features consist of size, amount of moons, rings, and orbit speed. They are the same, however, because they all orbit the sun, have a core, are round, and have gravity. The planets are truly amazing things in space.